[Widely Application]5 different sizes (3mm,4mm,5mm,6mm,8mm) meets your different working need. Widely use on various kinds woods for DIY crafts, wood carving, rootcarving, modeling, pet house making, house repair, micro sculpture and other wood working, a must-have carving tool to create your own masterpiece. [Material] Engraving bits made of high quality High Speed Steel for long life, strong and sharp, anti-corrosion, good wear resistance. 5Pcs engraving tools packaged in a durable clear box. [and precise countersinking. Ideal for fine work such as deep grooves, v-slots, curve patterns lines. Three blade design can fast discharge chips from the hole on sides automatically, suitable for carving, engraving, grinding, drilling and more, and leaving a smooth finish surface without damaging wood. [Easy To Use]1/8 shank fit most rotary tools, drills and die grinders. Simply attach it into a drill, convenient and easy to use, which allows you to carve wood effortlessly and Safely. Suitable for beginners, professional and handicraft enthusiasts.